<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

登录失败
<%
//登录失败后再30秒后自动跳转至登录页面
response.setHeader("refresh", "30;URL=register.jsp");

%>

</body>
</html>